wen i close my macbook it goes to sleep....and my away message turns off on ichat and i get signed off....how can i prevent this?!?!?!...someone please tell me either how to tell ichat not to sign off wen my computer sleeps or tell me how to make my computer stay awake wen i close the screen....but also...even if i can close the screen without makeing it sleep...wont it eventually sleep??? i mean theres gotta be a way to keep ichat signed on wen the computer is sleeping...somebody please help